Uses chdir for building the app, credit to the @KrauseFx

Gemfile.lock

@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (2.3.5)
-    activesupport (4.2.8)
+    activesupport (4.2.9)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
@@ -47,15 +47,15 @@ GEM
     coderay (1.1.1)
     colored (1.2)
     colored2 (3.1.2)
-    commander-fastlane (4.4.4)
+    commander-fastlane (4.4.5)
       highline (~> 1.7.2)
     declarative (0.0.9)
     declarative-option (0.1.0)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.2.1)
     escape (0.0.4)
-    excon (0.57.0)
+    excon (0.57.1)
     faraday (0.12.1)
       multipart-post (>= 1.2, < 3)
     faraday-cookie_jar (0.0.6)
@@ -64,19 +64,19 @@ GEM
     faraday_middleware (0.11.0.1)
       faraday (>= 0.7.4, < 1.0)
     fastimage (2.1.0)
-    fastlane (2.39.0)
+    fastlane (2.46.1)
       CFPropertyList (>= 2.3, < 3.0.0)
       addressable (>= 2.3, < 3.0.0)
       babosa (>= 1.0.2, < 2.0.0)
       bundler (>= 1.12.0, < 2.0.0)
       colored
-      commander-fastlane (>= 4.4.0, < 5.0.0)
+      commander-fastlane (>= 4.4.5, < 5.0.0)
       dotenv (>= 2.1.1, < 3.0.0)
       excon (>= 0.45.0, < 1.0.0)
       faraday (~> 0.9)
       faraday-cookie_jar (~> 0.0.6)
       faraday_middleware (~> 0.9)
-      fastimage (>= 1.6)
+      fastimage (>= 2.1.0, < 3.0.0)
       gh_inspector (>= 1.0.1, < 2.0.0)
       google-api-client (>= 0.12.0, < 0.13.0)
       highline (>= 1.7.2, < 2.0.0)
@@ -118,14 +118,14 @@ GEM
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    i18n (0.8.4)
+    i18n (0.8.6)
     json (2.1.0)
     jwt (1.5.6)
     little-plugger (1.1.4)
     logging (2.2.2)
       little-plugger (~> 1.1)
       multi_json (~> 1.10)
-    memoist (0.15.0)
+    memoist (0.16.0)
     method_source (0.8.2)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
@@ -173,7 +173,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.4)
-    unicode-display_width (1.2.1)
+    unicode-display_width (1.3.0)
     word_wrap (1.0.0)
     xcodeproj (1.5.0)
       CFPropertyList (~> 2.3.3)

fastlane/Fastfile

@@ -28,11 +28,13 @@ lane :ship do
   #   configuration: 'Deploy',
   #   scheme: 'Emission',
   #   skip_build_archive: true,
-  #   archive_path: '/Users/orta/Library/Developer/Xcode/Archives/2017-06-16/Emission 16-06-2017, 10.03.xcarchive'
+    # archive_path: '/Users/orta/Library/Developer/Xcode/Archives/2017-07-13/Emission 13-07-2017, 09.34.xcarchive'
 
-  gym workspace: 'emission/Example/Emission.xcworkspace',
-      configuration: 'Deploy',
-      scheme: 'Emission'
+  Dir.chdir("../emission/Example/Pods") do
+    gym workspace: 'Emission.xcworkspace',
+        configuration: 'Deploy',
+        scheme: 'Emission'
+  end
 
   # Get the last 10 lines of the CHANGELOG for Testflight
   changelog = '../emission/CHANGELOG.md'
@@ -48,15 +50,19 @@ lane :ship do
   train = app.build_trains[latest_version]
   build_version = train.builds.count + 1
 
-  # Do a tag, we use a http git remote so we can have push access
-  # as the default remote for travis is read-only
-  tag = "deploy-#{latest_version}-#{build_version}"
-  `git tag -d '#{tag}'`
+  # # Do a tag, we use a http git remote so we can have push access
+  # # as the default remote for travis is read-only
+  # tag = "deploy-#{latest_version}-#{build_version}"
+  # `git tag -d '#{tag}'`
 
-  # Tag releases
-  add_git_tag tag: tag
-  sh "git remote add http https://#{ENV['GITHUB_SUBMODULES_USER']}@github.com/artsy/emission.git"
-  sh "git push http #{tag}"
+  # # Tag releases
+  # add_git_tag tag: tag
+  # if ENV['GITHUB_SUBMODULES_USER']
+  #   sh "git remote add http https://#{ENV['GITHUB_SUBMODULES_USER']}@github.com/artsy/emission.git"
+  # else 
+  #   sh "git remote add http https://github.com/artsy/emission.git"
+  # end
+  # sh "git push http #{tag}"
 
   slack message: 'There is a new Emission beta available on Testflight.',
         payload: {
@@ -102,8 +108,8 @@ lane :validate_env_vars do
     raise 'You need to set FASTLANE_USERNAME, FASTLANE_PASSWORD and MATCH_PASSWORD in your environment'
   end
 
-  unless ENV['GITHUB_SUBMODULES_USER']
-    raise 'You need to set GITHUB_SUBMODULES_USER in your environment'
+  if ENV['GITHUB_SUBMODULES_USER']
+    raise 'You may need to set GITHUB_SUBMODULES_USER in your environment, if you do not have access to artsy/emission-nebula'
   end
 
   unless ENV['SLACK_URL']